MEC1322 Datasheet, PDF (161/456 Pages) Microchip Technology – Keyboard and Embedded Controller for Notebook PC

MEC1322
11.18.1 GATEA20 CONTROL REGISTER
Offset ^0h
Bits
Description
7:1 Reserved
0 GATEA20
0=The GATEA20 output is driven low
1=The GATEA20 output is driven high
Type
R
R/W
Default
-
1h
Reset
Event
-
VCC1_R
ESET
11.18.2 SETGA20L REGISTER
Offset ^08h
Bits
Description
Type
7:0 SETGA20L
W
See Section 11.11.1, "GATE A20 Speedup" for information on this
register. A write to this register sets GATEA20 in the GATEA20 Con-
trol Register.
Default
-
Reset
Event
-
11.18.3 RSTGA20L REGISTER
Offset ^0Ch
Bits
Description
Type
7:0 RSTGA20L
W
See Section 11.11.1, "GATE A20 Speedup" for information on this
register. A write to this register sets GATEA20 in the GATEA20 Con-
trol Register.
Default
-
Reset
Event
-
 2014 - 2015 Microchip Technology Inc.
DS00001719D-page 161